Raman Spectrometer 532/785/1064nm
Standard Spectrometer 200-1100nm
High Sensitivity UV Enhanced Spectrometer
BSI Cooled High Sensitivity Spectrometers
Large NA High QE Spectrometer 200-1450nm
Near Infrared Spectrometer 900-2500nm
More
Spinning Disk Confocal Microscope
Laser Scanning Confocal Microscope
Raman Microscope Wide Field
Fluorescence / PL Microscope
TCSPC System for SPAD (APD) Testing
Maskless Lithography UV Laser Writer
Laser Doppler Vibrometer 0.1Hz to 5Mhz
OCT Imaging System
X-ray/XRD Heating & Cryo Stage
Optical Heating & Cryo Stage
Electrical Probe Temperature Stage
Adjustable Electrical Probe Station
Tensile Strain Temperature Stage
Fiber Spectrometers (200nm to 5um)
X-Ray/XUV/VUV Spectrometers (1-300nm)
Hyperspectral Camera (220nm-4.2μm)
Multi-Spectral Camera (400-850nm)
Spectrophotometer (240-2150nm)
Single Photon Counting Imager
Visible Single Photon Detector(SPD)
Infrared Single Photon Detector(SPD)
Photodiode & Photomultiplier (200nm-12um)
Pyroelectric Infrared Detectors (2-12um)
Standard Beam Profiler (190-1100nm)
1inch Aperture Beam Profiler (190-1100nm)
SWIR Beam Profiler (900-1700nm)
IR Beam Profiler (2-16um)
Terahertz Beam Profiler(1-18 THz)
Scanning Slit Beam Profiler (190-2500nm)
Photodiode Power Sensors 250-2500nm
Power Meter Console
Integrating Spheres (10mm-100mm)
Power Meter Adaptor & Accessories
1/8m Monochromator/Spectrograph
1/2m&1/4m Monochromator/Spectrograph
Options and Accessories
Autocorrelator - Single Shot
Autocorrelator - Multi Shot
FROG - Single Shot
FROG - Multi Shot
LIV Test Systems for Laser Diode / LED
Optical Test Measurement System
RF Test Measurement System
CW Pigtail Laser Diode (400-1920nm)
CW Laser Diode Module (375-785nm)
CW Triplex Fiber Coupled Laser Diode (RGB)
DPSS Nanosecond Pulsed Lasers
DFB/FP Picosecond Laser (370-1550nm)
Nanosecond Pulse Fiber Laser(1064-2um)
Picosecond Pulse Fiber Laser (515nm - 2um)
Femtosecond Pulse Fiber Laser 780nm-2um
CW Single Mode Fiber Laser (405nm - 2um)
CW Narrow Linewidth Lasers (1530nm-2un)
C-Band Tunable Laser (1529 -1567nm)
L-Band Tunable Laser (1554 -1607nm)
2 Micron Tunable Laser (1900-2050nm)
Supercontinuum Fiber Lasers 450-2300nm
Broadband Femtosecond Laser 950-1150nm
Erbium Doped Fiber Amplifier
Ytterbium Doped Fiber Amplifier
Thulium-Doped Fiber Amplifier
Fiber Raman Amplifier
Microscope Light & Lamp (185 - 5500nm)
Single Wavelength LED Source(240-980nm)
Multi-wavelength LEDs Source (240-980nm)
ASE/SLD Light Sources (1250-2000nm)
IR Emitter Chip (2-14um)
Light Field Sythesizer
White Light Interferometer
CRD Loss Meter and Reflectometer
Hollow-Core Fiber Compressor
High Powered Hollow-Core Fiber Compressor
Ultra-High Contrast 3rd-Order Autocorrelator
Terahertz Quantum Cascade Lasers(1 to 4.5Thz)
CW LWIR Quantum Cascade Lasers (10-17um)
Laser Line Scan Confocal Microscope
Structured Illumination Microscope
Raman Microscope
USB Digital Microscope With Platform
Microscope CCD Camera (VIS-NIR)
Microscope CMOS Camera (UV-NIR)
UV & NIR Enhanced CMOS Camera
Snapshot Hyperspectral Camera for Microscope (450-950nm)
Microscope Light & Lamp
Soft X-Ray BSI sCMOS Camera (80-1000eV)
XUV/VUV CCD Cameras (1-350nm)
UV-NIR sCMOS Camera (200-1100nm)
Intensified CMOS Camera (200-1100nm)
Imaging Intensifier Tube
HDMI Color CMOS Camera (Monitor)
Infrared Pyrometers (-40-3000C)
Infrared linear Array Camera
Infrared Matrix Array Cameras
Blackbody Calibration Sources -15 to 1500°C
Hyperspectral Camera LineScan (0.22-4.2um)
Hyperspectral Camera SnapShot(0.35-1um)
Optical Coherence Tomography (OCT)
Short-Wave Infrared Camera (SWIR)
Mid-Wave Infrared Camera (MWIR)
Long-Wave Infrared Camera (LWIR)
Ultra-fast Pulse Generator for TCSPC
ID900 Timing Controller
ID1000 Timing Controller
General Purpose Pulse Generators
Medium and High Voltage Pulse Generators
High Speed Impulse Generator
Very High Speed Pulse Generators
Function Generators
Pulse Amplifiers
Pulsed Voltage
Pulsed Current
Phase Modulator
Amplitude Modulator
Education Kits
Acousto-Optic Modulators (AOM)
Acousto-Optic Tunable Filter (AOTF)
Acousto-Optic Deflector (AODF)
Acousto-Optic Frequency Shift (AOFS)
Phase Modulators
Acousto-optic Q-switch (AOQS)
TPX / HDPE Terahertz Plano Convex Lens
Off-Axis Parabolic Mirrors
Terahertz Hollow Retro Reflector
Terahertz Metallic Mirrors
ZnTe / GaSe Terahertz Crystals
Terahertz Beam Expander Reflection
Waveplates
Optical Isolator
Optical Polarizers
Beamsplitter Plate
Beamsplitter Cube
Dichroic Beamsplitters
Ultrathin Beamsplitter Plate
Neutral Density Filters
Bandpass Filters
Edgepass Filters
Birefringent Filters
Fluorescence Filters
Laser Crystals
Nonlinear Optical Crystals
Birefringent Crystals
Optical Crystals
Electro-optical Crystals
Lens Mounts
Mirror Mounts
Filter Mounts
Manual Stages
Piezo Stages
Multi-Axis Stages
Solid Vibration Isolation Optical Table
Solid Vibration Isolation Table
Pneumatic Optical table
Pneumatic Optical Table With Pendulum Rod
Honeycomb Optical Breadboard
GLACIER
Cavity-Ringdown (CRD) Loss Meter and Reflectometer
Our reflectometer GLACIER uses the extreme sensitivity of cavity ring-down spectroscopy to
quantify the losses of advanced optical coatings down to 5 ppm. As a typical application the
device can characterize supra-mirrors with up to 99.9995 % reflectivity. Conventional
absorption and reflection measurements are not sufficiently sensitive to quantify today´s
super-reflective mirror coatings and are typically limited to the > 1000 ppm range
(corresponding to < 99.9 % reflectivity). Cavity ring-down spectroscopy measures optical
losses by the decay of the energy stored inside a cavity. The technique reaches unrivalled
sensitivity, because losses are experienced with each round trip inside the cavity over and over
again. Smaller losses lead to longer intra-cavity dwell time thereby automatically increasing
measurement precision. The device features high-speed data acquisition and allows to record
measurements within seconds. It is delivered complete with a computer and a user-friendly
software interface for acquisition and real-time analysis.
Key Product Features
Reflectivity measurements up to 99.9995%
Various angles of incidence: 5°-45° (and 0°)
S and p polarization (separately)
Antireflective coating characterization down to 0.0005% (5 ppm)
Simple and reproducible alignment for 0.5”, 1” and 2” optics
Spring-loaded mirror fixtures for reproducible mounting without strain
Computer and user-friendly software interface included
High-speed data acquisition and real-time analysis
Wavelengths in the range 375-1550 nm available
Footprint 90 x 45 cm²
Working Principle
Glacier uses the principle of reflectivity/loss measurements with cavity ring-down spectroscopy based on very low losses at each mirror bounce.
The laser pulses travel inside a cavity experiencing optical losses over and over again during each round trip.
Sketch of the working principle of GLACIER, measurement and fitting procedure
Sample Measurement
The device measures the time-dependent intensity I(t) leaked through an end mirror
of the cavity (center).
The signal decays with a time constant depending on the intra-cavity losses and can
be fitted to the following exponential function:
The time constant τ is inversely proportional to the optical losses (1-R) of the cavity
withtotal reflectivity R:
where n is the refractive index, c is the speed of light, and l is the cavity length
Typical GLACIER measurement of an ultrahigh-reflective mirror for 1030 nm.
To obtain the data, the cavity losses with and without the sample were
measured and subtracted. This provides an absolute measurement
of the test mirror
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Company
Light Analysis
Microscope
Light Sources
Imaging
Optics